Clean Harbors (CLH) logo

Clean Harbors (CLH) stock

Environmental services , market cap $15B

$286.46
-0.40%

As of 10:26 AM ET, delayed 15+ min · Live for Pro members

Quality Score
9
Average
In its sector
#144of 457
Checks firing
1of 14
Trending up
From 52-week high
-14.7%
under its best in a year

CLH's Quality Score fell 1 point on Mon, Nov 9, to 9. Trading went back to normal after a busy day (3 chart checks stopped).

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Why CLH beats the market

Up 168% over five years while the S&P 500 rose 72%.

  • Its profit per share tripled, from $2.42 in fiscal 2020 to $7.28 in fiscal 2025.

Sources: Price history, Nov 9, 2026; Annual reports, Dec 31, 2025

1 more reason, free with an account →2 more reasons why CLH beats the market, from its filings, with the company's words and the timeline, for Pro members.

Key facts on CLH

Key facts on CLH
The companyProfit up 36% to $528M
Latest filing8-K, Oct 28 Reported its quarterly results
1 more reason behind CLH's 9, free with an account →3 more reasons behind CLH's 9, for Pro members.

CLH in the news

Wed Oct 28Clean Harbors names Gerstenberg sole CEO as Battles retires By Investing.com investing.com india and 1 more · yesterday 7:33 AM ET CLH closed +0.1% that day.

CLH catalysts

Coming up

After its last 4 reports it closed +0.5% on average, higher 3 of 4 times.

43 past catalysts since 2018, with sizes and sources, for Pro members.

Why CLH scores 9

Averagefor quality, not price, 1 of 14 chart checks firingWhat the Quality Score means

  • +2Profit A profit of $528M over the last four quarters, up 36% from $388M the four before, from the SEC filingsRead on the last four quarters against the four before, or the last full year where no quarters are filed.
  • +2Growth sales up 10% on the year, gross margin up 2.0 pointsSales and margins against a year earlier: up to +3 for fast growth and widening margins, down to -2 when both shrink.
  • Chart checks adds
  • Long-term trend adds
  • Size adds
  • Persistence adds

No effect today: Run-up, Dilution, Volatility, Cash flow, News, and Insider trades.

What every line is worth, and the reason behind it, on CLH and every other stock.Get in free →

Price, score, chart checks, and the industry rank are from a snapshot taken at 10:26 AM ET, at least 15 minutes behind. How we rank stocks.

Tested. Our top-scored stocks returned 2.2x the average stock over the next month. Reconstructed after the fact; recorded live since Sep 9, 2026. How we tested it

How CLH ranks in Industrials

CLH is #144 of 457 by Quality Score.

How CLH ranks in Industrials
RankStockQuality Score
144Clean Harbors (CLH) logoCLHClean Harbors9

More in Industrials

When does CLH report earnings, and what happens after?

Expected to report Wed Feb 24, before the open (in 106 days).

What an earnings report is: every 3 months, a company tells everyone how much it sold and earned. We read the figures, the outlook, and how the stock moved after.

What CLH reported on Oct 28, 2026

The quarter

Sales of $1.9B, 21% more than a year ago; a profit of $3.93 a share, from $2.21.

“This was driven by considerable emergency response activity, including one substantial event that generated approximately $120 million of revenue at emergency response rates, given the scale and expedited timeframe of the work.”

The quarter that ended Sep 30, from the company's press release

The press releaseThe filing on EDGAR

Where the sales came from

Where the quarter's sales came from
LineQ3
2026
Q3
2025
By product
Serviceup 16%$1.5B69%$1.3B74%

Each quarter's sales and their share of its total. Figures as filed (SEC filing, Oct 28)

8 more lines, for Pro members.

The outlook

The outlook the company gave, by period
MeasureFigure
FY 2026
Adjusted EBITDA$1.44B to $1.48Braised

Figures as filed (SEC filing, Oct 28)

4 more outlook lines, for Pro members.

In the company's words

  • “Underlying disposal and recycling demand remained healthy, with deferred revenue increasing 20% due to our backlog of waste and growing sales pipeline.”

From its results filing (SEC filing · Oct 28)

2 more sentences, for Pro members.

The numbers

Market value
$15B
today
Sales
$6.6B
up 10.1% on the year
Free cash flow
$501M
last 12 months

Sales grew 14% a year over 5 years, fiscal 2020 to 2025.

Its share count fell 0.7% a year over 5 years.

5 more figures, for Pro members.

No analyst estimates on Breakaway: every figure here is filed.

The whole report on CLH: every line of its sales, every outlook beside the one it replaced, and the company's words, for Pro members.

Close after the report, last 3

-8.2%+7.5%+0.1%
May 6Jul 29Oct 28
ReportedGapReaction5
days
Oct 28, 2026Before open+2.4%+0.1%-5.8%
Jul 29, 2026Before open+9.0%+7.5%+2.3%
May 6, 2026Before open-3.0%-8.2%-5.5%

CLH closed higher after 3 of its last 4 reports.

All 4 reports, and CLH's Quality Score going into each

CLH sales and profit by year

Sales and profit by year

Sales grew in six of the last seven years, to $6B in 2025. It made a profit in each of the eight years.

CLH has 1 of 14 chart checks firing

Volume1 of 3 shown
Tight range1 of 3 shown
Buying1 of 3 shown
The other 10 checks on CLH, and all 14 on every stock.Get in free →

CLH RSI today: 31.0, below its 50-day and 200-day averages

Not scored

RSI 31.0, MACD below signal, below both averages. Not scored.

The deep dive on CLH

10 more findings on CLH, each with its source, for Pro members.

CLH insider trades

One insider bought $39K across 1 filing, and 3 insiders sold $1.3M across 3 filings, in the last 6 months. The newest:

BuyKaryn Polito$39KDirectorat $314.83 on Oct 29, filed Nov 2

All 4 insider filings on CLH from the last six months, for Pro members.

All CLH insider trades

CLH trades by Congress and the executive branch

5 trades disclosed in the last six months. The newest:

SellApril McClain Delaney$50K to $100KHousetraded Aug 25, disclosed Sep 9(15 days later)
All 5 trades on CLH disclosed by Congress and the executive branch, for Pro members.Get in free →

See what Congress is buying across the market

CLH's officers and directors

Officers and directors with a Form 4 in the last 12 months.

13 more officers and directors file at CLH.

See insider trades by person

Which ETFs hold CLH?

In ETFs: CLH is under 0.1% of SCHG and under 0.1% of VTI, the most of the 24 funds Breakaway covers, by each fund's latest filing, Jun 30 to Aug 31, 2026.

About Clean Harbors

Clean Harbors Inc is an environmental and industrial services provider that provides parts cleaning and related environmental services to commercial, industrial, and automotive customers. Its business segments are Environmental Services and Safety-Kleen Sustainability Solutions. Environmental Services includes waste collection, transportation, treatment, recycling, and disposal, along with industrial maintenance services. Safety-Kleen Sustainability Solutions provides used oil collection and manufactures base oil, vacuum gas oil, and lubricants. The company generates the majority of its revenues from the Environmental Services segment and operates in the United States, with maximum revenue, and Canada.

22,591 employeesNorwell, MAcleanharbors.com

What Clean Harbors says it competes with

“Due to the variety of services and products offered, we face competition from companies in various industries across all lines of business.”

From its annual report, SEC filing · Feb 18, 2026

Here is what Pro members see.

  • The same page for Pro members, on Microsoft

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  • Congress trades

    A member's trades, newest first, each with its amount. Sort and filter the whole list.

  • 14 chart checks, read for you

    The ones firing on the stock, each in plain words, its rule a tap away.

  • Earnings, week by week

    Who reports each day, and how each stock took its last four reports.

  • FDA dates, counted down

    Each date in the company's words, its cash against the date, and an optional alert before it.

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Pro members see every line of every stock's score.

  • What would move CLH's score: 4 things
  • 3 more filings explained, a plain line each
  • Real-⁠time prices, no delay
BreakawayNov 2Karyn Polito bought CLH$39K at $314.83, filed Nov 2

Alerts are optional.

See CLH's 14 chart checks

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Straight AnswersStraight Answers

As of Nov 10, 2026: CLH's Quality Score is 9 (Average), #144 of 457 in Industrials. Insiders bought $39K and sold $1.3M in the last 6 months (Form 4).

What does CLH's Quality Score say?

CLH scores 9 today, which Breakaway calls Average. It is #144 of 457 in Industrials by Quality Score, with 1 of 14 chart checks firing. Up 168% over five years while the S&P 500 rose 72%. Breakaway does not say whether to buy any stock: the score does not know your situation, and it is not a recommendation to buy or sell anything. Please do your own research.

What is CLH's Quality Score?

CLH scores 9 today, which Breakaway calls Average (6 to 10). That is #144 of 457 in Industrials by Quality Score. The score adds up the chart checks, the trend, the company's filed sales, its profits, the news, insider trades, and Congress trades. The section above lists the lines behind CLH's 9.

Are insiders buying CLH?

One insider bought $39K across 1 filing, and 3 insiders sold $1.3M across 3 filings, in the last 6 months. The newest is Karyn Polito, Director, who bought $39K on Oct 29. Every filing, with the scored weight, for Pro members.

Are the prices delayed?

Only on the public pages, which run at least 15 minutes behind. Pro members, and anyone on a guest pass, see real-time prices: the scanner refreshes every 15 seconds, and your watchlist every few seconds, pre-market and after hours included.

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